About Us

Original 1930's Fender pictured with new one in process.

Original 1930's Fender on the left.  New fender in process on the right.

Mason-Concepts, a second generation family owned business, has been dedicated to sheet metal fabrication and the automotive restoration market for nearly 20 years.

Epoxy stamping die modeled from original part.


Driver Floor Pan, stamped on epoxy tooling, is an EXACT replica of the original found in a 1949-52 Dodge, Plymouth, or DeSoto.

Ugly source parts? No problem. Mason-Concepts can do it.

1930's Upper Sill and Outer Rocker created from rusty original.

Mason-Concepts currently manufactures over 100 different parts, continuously seeking new markets and retail partners.  If you've identified an under served vehicle in the parts market, please contact us.  We'd love to supply the parts your customers are looking for.

Contact Us

Mason-Concepts is located in Marne MI, halfway between Grand Rapids and Coopersville.

Please call, email, or stop in Mon-Fri, 7:00 am-4:30 pm.

Saturday hours vary, so it's a good idea to make an appointment.


1004 Comstock Street, Marne, Michigan 49435, United States

Ph# (616) 677-1079



By Appointment

Email us.